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Finding the Fourth Proportional to 7,883.67, 10,881.36 and 4,739.25

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Solution

The fourth proportional to 7,883.67, 10,881.36 and 4,739.25 is: 6,541.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883.67 : 10,881.36 = 4,739.25 : x
  2. Step 2: Convert to fraction form
    7,883.67/10,881.36 = 4,739.25/x
  3. Step 3: Cross multiply
    7,883.67x = 10,881.36 × 4,739.25
  4. Step 4: Simplify right side
    7,883.67x = 51,569,485.38
  5. Step 5: Solve for x
    x = 51,569,485.38/7,883.67
  6. Step 6: Final answer
    x = 6,541.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.